Home / 31,974.62-47,960.16-9,787.97

Finding the Fourth Proportional to 31,974.62, 47,960.16 and 9,787.97

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Solution

The fourth proportional to 31,974.62, 47,960.16 and 9,787.97 is: 14,681.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,974.62 : 47,960.16 = 9,787.97 : x
  2. Step 2: Convert to fraction form
    31,974.62/47,960.16 = 9,787.97/x
  3. Step 3: Cross multiply
    31,974.62x = 47,960.16 × 9,787.97
  4. Step 4: Simplify right side
    31,974.62x = 469,432,607.28
  5. Step 5: Solve for x
    x = 469,432,607.28/31,974.62
  6. Step 6: Final answer
    x = 14,681.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.